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13201168854720 = 2635721152348781
BaseRepresentation
bin1100000000011010001011…
…1110101110111011000000
31201202000112011012012000110
43000012202332232323000
53212241443211322340
644024311103151320
72531516161555200
oct300064276567300
951660464165013
1013201168854720
11422a647734830
1215925848a5540
13749b321b56b2
14338d2344a400
1517d5d5543680
hexc01a2faeec0

13201168854720 has 672 divisors, whose sum is σ = 53291991902976. Its totient is φ = 2737798963200.

The previous prime is 13201168854673. The next prime is 13201168854737. The reversal of 13201168854720 is 2745886110231.

It is a tau number, because it is divible by the number of its divisors (672).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 13201168854720.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 270596730 + ... + 270645510.

Almost surely, 213201168854720 is an apocalyptic number.

13201168854720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13201168854720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26645995951488).

13201168854720 is an abundant number, since it is smaller than the sum of its proper divisors (40090823048256).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13201168854720 is a wasteful number, since it uses less digits than its factorization.

13201168854720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49349 (or 49332 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 48.

The spelling of 13201168854720 in words is "thirteen trillion, two hundred one billion, one hundred sixty-eight million, eight hundred fifty-four thousand, seven hundred twenty".